HEATKEYS

Wolfram Mathematica Online Integrator -- free integration answers

Easiest way to plot functions! Just type fooplot.com/sin(x) or your function into your browser.

The Best and Newest English / Farsi Dictionary Free, Searchable English-Farsi and Farsi-English dictionary with more than 600,000 words.

Material property database with data sheets of thermoplastic and thermoset polymers such as nylon, polycarbonate, polyethylene; metal alloys, aluminum, steel, titanium, nickel, cobalt, and zinc alloys; ceramics, lubricants. Free search tools include...

Free math problem solver answers your basic math, algebra, trigonometry, and calculus homework questions with step-by-step explanations.

Browse, Search, and Listen to the Holy Quran. With accurate Quran text and Quran translations in various languages.

Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, Calculation History.

FarsiNet, Interactive Iranian Persian Global eCommunity for Farsi Speaking People of Planet Earth, Free Farsi Books, Free Farsi Injil, What is Holy War in Islam? - Jihad in Islam - Conflict between Islam and Israel - Why Muslims Hate America

Longman English Dictionary is the leading dictionary for learners of English of all ages and levels who want to learn more about English: definition, idioms, examples and more.

Metacalc is a free easy to use online calculator. For all your math problems, or for showing in front of a class.